RU2127912C1 - Способ обнаружения и кодирования и/или декодирования стационарных фоновых звуков и устройство для кодирования и/или декодирования стационарных фоновых звуков - Google Patents

Способ обнаружения и кодирования и/или декодирования стационарных фоновых звуков и устройство для кодирования и/или декодирования стационарных фоновых звуков Download PDF

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Publication number
RU2127912C1
RU2127912C1 RU95107694A RU95107694A RU2127912C1 RU 2127912 C1 RU2127912 C1 RU 2127912C1 RU 95107694 A RU95107694 A RU 95107694A RU 95107694 A RU95107694 A RU 95107694A RU 2127912 C1 RU2127912 C1 RU 2127912C1
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Russia
Prior art keywords
signal
stationary
background sounds
speech
frame
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RU95107694A
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English (en)
Russian (ru)
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RU95107694A (ru
Inventor
Карл Торбьерн Вигрен
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Телефонактиеболагет Лм Эрикссон
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/21—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information

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  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Complex Calculations (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Circuits Of Receivers In General (AREA)
RU95107694A 1993-05-26 1994-05-11 Способ обнаружения и кодирования и/или декодирования стационарных фоновых звуков и устройство для кодирования и/или декодирования стационарных фоновых звуков RU2127912C1 (ru)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9301798-6 1993-05-26
SE9301798A SE501305C2 (sv) 1993-05-26 1993-05-26 Förfarande och anordning för diskriminering mellan stationära och icke stationära signaler
PCT/SE1994/000443 WO1994028542A1 (en) 1993-05-26 1994-05-11 Discriminating between stationary and non-stationary signals

Publications (2)

Publication Number Publication Date
RU95107694A RU95107694A (ru) 1998-02-20
RU2127912C1 true RU2127912C1 (ru) 1999-03-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU95107694A RU2127912C1 (ru) 1993-05-26 1994-05-11 Способ обнаружения и кодирования и/или декодирования стационарных фоновых звуков и устройство для кодирования и/или декодирования стационарных фоновых звуков

Country Status (19)

Country Link
US (1) US5579432A (zh)
EP (1) EP0653091B1 (zh)
JP (1) JPH07509792A (zh)
KR (1) KR100220377B1 (zh)
CN (2) CN1046366C (zh)
AU (2) AU670383B2 (zh)
CA (1) CA2139628A1 (zh)
DE (1) DE69421498T2 (zh)
DK (1) DK0653091T3 (zh)
ES (1) ES2141234T3 (zh)
FI (1) FI950311A (zh)
GR (1) GR3032107T3 (zh)
HK (1) HK1013881A1 (zh)
NZ (1) NZ266908A (zh)
RU (1) RU2127912C1 (zh)
SE (1) SE501305C2 (zh)
SG (1) SG46977A1 (zh)
TW (1) TW324123B (zh)
WO (1) WO1994028542A1 (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2575680C2 (ru) * 2010-12-29 2016-02-20 Самсунг Электроникс Ко., Лтд. Устройство и способ для кодирования/декодирования для расширения диапазона высоких частот
RU2639694C1 (ru) * 2010-09-15 2017-12-21 Самсунг Электроникс Ко., Лтд. Устройство и способ для кодирования/декодирования для расширения диапазона высоких частот
RU2672133C1 (ru) * 2010-12-29 2018-11-12 Самсунг Электроникс Ко., Лтд. Устройство и способ для кодирования/декодирования для расширения диапазона высоких частот

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2317084B (en) * 1995-04-28 2000-01-19 Northern Telecom Ltd Methods and apparatus for distinguishing speech intervals from noise intervals in audio signals
AUPO170196A0 (en) * 1996-08-16 1996-09-12 University Of Alberta A finite-dimensional filter
US6058359A (en) * 1998-03-04 2000-05-02 Telefonaktiebolaget L M Ericsson Speech coding including soft adaptability feature
WO2001084536A1 (de) 2000-04-28 2001-11-08 Deutsche Telekom Ag Verfahren zur berechnung einer sprachaktivitätsentscheidung (voice activity detector)
DE10026904A1 (de) 2000-04-28 2002-01-03 Deutsche Telekom Ag Verfahren zur Berechnung des die Lautstärke mitbestimmenden Verstärkungsfaktors für ein codiert übertragenes Sprachsignal
JP3812887B2 (ja) * 2001-12-21 2006-08-23 富士通株式会社 信号処理システムおよび方法
CA2420129A1 (en) * 2003-02-17 2004-08-17 Catena Networks, Canada, Inc. A method for robustly detecting voice activity
JP5198477B2 (ja) 2007-03-05 2013-05-15 テレフオンアクチーボラゲット エル エム エリクソン（パブル） 定常的な背景雑音の平滑化を制御するための方法及び装置
EP2132731B1 (en) 2007-03-05 2015-07-22 Telefonaktiebolaget LM Ericsson (publ) Method and arrangement for smoothing of stationary background noise
CN101308651B (zh) * 2007-05-17 2011-05-04 展讯通信（上海）有限公司 音频暂态信号的检测方法
CN101546556B (zh) * 2008-03-28 2011-03-23 展讯通信（上海）有限公司 用于音频内容识别的分类系统
US10218327B2 (en) * 2011-01-10 2019-02-26 Zhinian Jing Dynamic enhancement of audio (DAE) in headset systems
US10325588B2 (en) 2017-09-28 2019-06-18 International Business Machines Corporation Acoustic feature extractor selected according to status flag of frame of acoustic signal

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Publication number Priority date Publication date Assignee Title
US4544919A (en) * 1982-01-03 1985-10-01 Motorola, Inc. Method and means of determining coefficients for linear predictive coding
GB2137791B (en) * 1982-11-19 1986-02-26 Secr Defence Noise compensating spectral distance processor
DE3370423D1 (en) * 1983-06-07 1987-04-23 Ibm Process for activity detection in a voice transmission system
EP0335521B1 (en) * 1988-03-11 1993-11-24 BRITISH TELECOMMUNICATIONS public limited company Voice activity detection
US5276765A (en) * 1988-03-11 1994-01-04 British Telecommunications Public Limited Company Voice activity detection
GB2239971B (en) * 1989-12-06 1993-09-29 Ca Nat Research Council System for separating speech from background noise
EP0538536A1 (en) * 1991-10-25 1993-04-28 International Business Machines Corporation Method for detecting voice presence on a communication line
SE470577B (sv) * 1993-01-29 1994-09-19 Ericsson Telefon Ab L M Förfarande och anordning för kodning och/eller avkodning av bakgrundsljud
US5459814A (en) * 1993-03-26 1995-10-17 Hughes Aircraft Company Voice activity detector for speech signals in variable background noise

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2778834C1 (ru) * 2009-01-16 2022-08-25 Долби Интернешнл Аб Гармоническое преобразование, усовершенствованное перекрестным произведением
RU2639694C1 (ru) * 2010-09-15 2017-12-21 Самсунг Электроникс Ко., Лтд. Устройство и способ для кодирования/декодирования для расширения диапазона высоких частот
US10152983B2 (en) 2010-09-15 2018-12-11 Samsung Electronics Co., Ltd. Apparatus and method for encoding/decoding for high frequency bandwidth extension
RU2575680C2 (ru) * 2010-12-29 2016-02-20 Самсунг Электроникс Ко., Лтд. Устройство и способ для кодирования/декодирования для расширения диапазона высоких частот
RU2672133C1 (ru) * 2010-12-29 2018-11-12 Самсунг Электроникс Ко., Лтд. Устройство и способ для кодирования/декодирования для расширения диапазона высоких частот
US10453466B2 (en) 2010-12-29 2019-10-22 Samsung Electronics Co., Ltd. Apparatus and method for encoding/decoding for high frequency bandwidth extension
US10811022B2 (en) 2010-12-29 2020-10-20 Samsung Electronics Co., Ltd. Apparatus and method for encoding/decoding for high frequency bandwidth extension

Also Published As

Publication number Publication date
HK1013881A1 (en) 1999-09-10
EP0653091B1 (en) 1999-11-03
AU6901694A (en) 1994-12-20
SE9301798L (sv) 1994-11-27
KR950702732A (ko) 1995-07-29
CN1046366C (zh) 1999-11-10
ES2141234T3 (es) 2000-03-16
CN1218945A (zh) 1999-06-09
FI950311A0 (fi) 1995-01-24
SE9301798D0 (sv) 1993-05-26
US5579432A (en) 1996-11-26
FI950311A (fi) 1995-01-24
DE69421498T2 (de) 2000-07-13
EP0653091A1 (en) 1995-05-17
CN1110070A (zh) 1995-10-11
AU670383B2 (en) 1996-07-11
KR100220377B1 (ko) 1999-09-15
SE501305C2 (sv) 1995-01-09
NZ266908A (en) 1997-03-24
SG46977A1 (en) 1998-03-20
WO1994028542A1 (en) 1994-12-08
AU681551B2 (en) 1997-08-28
DE69421498D1 (de) 1999-12-09
TW324123B (en) 1998-01-01
DK0653091T3 (da) 2000-01-03
AU4811296A (en) 1996-05-23
GR3032107T3 (en) 2000-03-31
CA2139628A1 (en) 1994-12-08
JPH07509792A (ja) 1995-10-26

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